[web] convert updating thread activity lastThreadNavigatedTo on web to use sqlite
Summary:
Currently, the redux reducer just updates redux persist thread activity. Realized I was missing this when doing final testing
The non-sqlite implementation can be found at https://phab.comm.dev/D9404
Depends on D11617
Test Plan: Navigated to several different threads on web app and corresponding thread activity entries were found in web database
Reviewers: atul, kamil, ginsu
Reviewed By: atul
Subscribers: ashoat, tomek
Differential Revision: https://phab.comm.dev/D11665